def scan_as(q):
base = 0x00
max_a = 16*16*16
ass = range(0, max_a)
q.lcd_a = None
q.ass = []
print('Scanning {} addresses'.format(len(ass)))
for offset in ass:
a = base + offset
#print('0x{:02X}'.format(a))
try:
q.i2c.send(0, addr=a)
q.i2c.send(0, addr=a)
print('Address without error: 0x{:02X}'.format(a))
q.ass.append(a)
except Exception as ex:
#print('Some error occured! \n{}'.format(str(ex)))
pass
if len(q.ass) > 0:
print('Responsive addresses < {}:\n{}'.format(max_a,
['0x{:02X}'.format(a) for a in q.ass]))
q.lcd_a = q.ass[0]
#print(os.listdir())
with open(q.file_as, 'w') as f:
f.write(q.lcd_a)
print('Responsive address 0x{0:02X} = {0} dec, saved to file {1}.'.format(q.lcd_a, q.file_as))
#print(os.listdir())
# gc.collect()
pyb.sync()
else:
print('No responsive address found!')
def scan_br(q):
q.brs = []
br_num = 1
brs = [50, 100, 200, 250, 400,500,800]
brs = [br*1000 for br in brs]
brs = range(115200, 9600, -100)
# brs = range(9600, 115200, 400)
print('Scanning {} baudrates'.format(len(brs)))
for br in brs:
# br = br
print(br)
q.i2c.init(I2C.MASTER, addr=q.addr, baudrate=br)
scan = q.i2c.scan()
# print(scan)
if len(scan) > 0:
print('New functional baudrate {}'.format(br))
q.brs.append(br)
if len(q.brs) >= br_num:
break
print('{} functional baudrates < than 115201:\n{}'.format(
br_num, q.brs))
q.br = q.brs[-1]
with open(q.file_br, 'w') as f:
f.write(str(q.br))
print('Functional baudrate {}, saved to file {}.'.format(
q.br, q.file_br))
pyb.sync()
def DistIRloop(msdelay=20):
red_led = pyb.LED(1)
green_led = pyb.LED(2)
orange_led = pyb.LED(3)
blue_led = pyb.LED(4)
orange_led.on()
userswitch = pyb.Switch()
while not userswitch():
pyb.delay(100)
orange_led.off()
green_led.on()
pyb.delay(1000)
datalogfilename = '/sd/distirlog.csv'
log = open(datalogfilename, 'a')
log.write("t (s), d (cm)\n")
green_led.off()
blue_led.on()
initialtimems = pyb.millis()
while not userswitch():
adcint = pyb.ADC(pyb.Pin('X4')).read()
times = ((pyb.millis()) - initialtimems) / 1000
adcv = (adcint * 3.3 / 4095)
dcm = (9.89703 / (adcv - 0.0189332))**(1 / 0.734319
) # (A/(v-v0))^(1/B)
print("%f s, %f cm" % (times, dcm))
log.write("%f, %f\n" % (times, dcm))
pyb.delay(msdelay)
log.close()
pyb.sync()
blue_led.off()
red_led.on()
def DistIRloop(msdelay=20):
red_led = pyb.LED(1)
green_led = pyb.LED(2)
orange_led = pyb.LED(3)
blue_led = pyb.LED(4)
orange_led.on()
fbuf.fill(0)
fbuf.text('Tecle USR', 25, 20, lcd.rgb(255, 255, 0))
lcd.show_framebuf(fbuf)
userswitch = pyb.Switch()
while not userswitch():
pyb.delay(100)
orange_led.off()
green_led.on()
fbuf.text('Preparando...', 10, 50, lcd.rgb(0, 255, 0))
lcd.show_framebuf(fbuf)
pyb.delay(1000)
datalogfilename = '/sd/distirlog.csv'
log = open(datalogfilename, 'a')
log.write("t (s), d (cm)\n")
green_led.off()
blue_led.on()
fbuf.text('Medindo...', 15, 80, lcd.rgb(0, 255, 255))
lcd.show_framebuf(fbuf)
# pyb.delay(3000)
gc.collect()
initialtimems = pyb.millis()
while not userswitch():
adcint = pyb.ADC(pyb.Pin('X4')).read()
times = ((pyb.millis()) - initialtimems) / 1000
adcv = (adcint * 3.3 / 4095)
dcm = (9.89703 / (adcv - 0.0189332))**(1 / 0.734319
) # (A/(v-v0))^(1/B)
#print("%f s, %f cm" % (times, dcm))
log.write("%f, %f\n" % (times, dcm))
pyb.delay(msdelay)
log.close()
pyb.sync()
blue_led.off()
red_led.on()
fbuf.text('Fim !', 35, 110, lcd.rgb(255, 0, 0))
lcd.show_framebuf(fbuf)
def writeLog(rtc, temp, hum):
"""Append a line with the current timestamp to the log file"""
datetime=rtc.datetime()
timestamp = ("%04d-%02d-%02d %02d:%02d:%02d" % (datetime[0],
datetime[1], datetime[2], datetime[4], datetime[5], datetime[6]))
logline = ("%s %s %s" % (timestamp, temp, hum))
#print(logline)
try:
with open("logdata.txt", "a") as f:
f.write("%s\n" % logline)
f.close()
pyb.sync()
except:
pass
try:
with open("/flash/logdata.txt", "a") as f:
f.write("%s\n" % logline)
f.close()
pyb.sync()
except OSError as error:
print("Error: can not write to SD card. %s" % error)
def rec():
h = MAX30100(sample_rate=SAMPLE_RATE[100], pulse_width=PULSE_WIDTH[1600])
with open("/sd/pulse_max30100.csv", "w") as f:
first = True
g = h.generator(delay=8) # 10ms <> 100sps
# med = median_filter(g,15)
bw = butterworth_filter(g)
norm = norm_filter(bw, size=100)
diff = diff_filter(norm, size=20)
th = thresh_filter(diff, threshold=-.33, greater_than=False)
# th = hysteresis_filter(bw,size=100,th_high=.7,th_low=.3)
bpm = bpm_filter(th, size=3)
for s, v, h in bpm:
if first:
col_names = ",".join(h.keys())
f.write("%s\n" % col_names)
first = False
print(h)
s = ','.join([str(v) for v in h.values()])
f.write("%s\n" % s)
if h['thresh']:
pyb.LED(1).on()
else:
pyb.LED(1).off()
# lcd.clear()
# lcd.write(str(h))
# if keys.read() is not 'none':
# break
f.close()
pyb.sync()
try:
with open("/sd/sd_check.vars", "r") as vars_file:
vars = vars_file.read().split()
except:
pass
hard_reset_count = int(vars[0])
soft_reset_count = int(vars[1])
print("### hard_reset_count = %d, soft_reset_count = %d ###" % (hard_reset_count, soft_reset_count))
hard_reset = 0
if soft_reset_count % 40 == 0:
hard_reset = 1
soft_reset_count += 1
hard_reset_count += hard_reset
with open("/sd/sd_check.vars", "w") as vars_file:
vars_file.write('%d %d ' % (hard_reset_count, soft_reset_count))
pyb.sync()
vcp = pyb.USB_VCP()
if vcp.any():
print("Key press detected on USB - stopping")
else:
uart = pyb.UART(6, 115200)
if uart.any():
print("Key press detected on USB - stopping")
else:
pyb.delay(100)
if hard_reset:
pyb.hard_reset()
pyb.soft_reset()
else:
print('##############################################################')
print('##############################################################')
print((pyb.millis() - start) // 5) # should print 3 # test udelay pyb.udelay(-1) pyb.udelay(0) pyb.udelay(1) start = pyb.millis() pyb.udelay(17000) print((pyb.millis() - start) // 5) # should print 3 # other pyb.disable_irq() pyb.enable_irq() print(pyb.freq()) print(pyb.have_cdc()) pyb.hid((0, 0, 0, 0)) # won't do anything pyb.rng() pyb.sync() print(len(pyb.unique_id())) pyb.wfi()
def reset():
pyb.sync()
machine.soft_reset()